Keys
Component Description
(1) esc key Displays system information when pressed in combination with
the fn key.
(2) fn key Executes frequently used system functions when pressed in
combination with the esc key or, on select models, the b key or
the spacebar.
(3)
Windows key Returns you to the Start screen from an open app or the
Windows desktop.
NOTE: Pressing the Windows key again will return you to the
previous screen.
(4) Action keys Execute frequently used system functions.
NOTE: On select models, the f5 action key turns the radiance
backlight keyboard feature off or on.
(5) num lk key Alternates between the navigational and numeric functions on
the integrated numeric keypad.
(6) Integrated numeric keypad When num lk has been enabled, it can be used like an external
numeric keypad.
Using the action keys
Depending on the model, your computer may have the function key features as described in this table.
An action key performs an assigned function. The icon on each of the action keys illustrates the assigned
function for that key.
To use an action key function, press and hold the key.
CAUTION: Use extreme care when making changes in Setup Utility (BIOS). Errors can prevent the computer
from operating properly.
10 Chapter 2 External component identification
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